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Finding the Fourth Proportional to 7,052.60, 10,578.60 and 2,891.24

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Solution

The fourth proportional to 7,052.60, 10,578.60 and 2,891.24 is: 4,336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.60 : 10,578.60 = 2,891.24 : x
  2. Step 2: Convert to fraction form
    7,052.60/10,578.60 = 2,891.24/x
  3. Step 3: Cross multiply
    7,052.60x = 10,578.60 × 2,891.24
  4. Step 4: Simplify right side
    7,052.60x = 30,585,271.46
  5. Step 5: Solve for x
    x = 30,585,271.46/7,052.60
  6. Step 6: Final answer
    x = 4,336.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.